Madisound was established in 1972, and we accumulated an enormous library of raw loudspeaker driver specification sheets. In 201,7, we created the Madisound PDF Library to collect these PDFs in one easy-to-search location.
In addition to loudspeaker driver specification sheets, we are uploading PDFs of publications by and about speaker brands, cabinet enclosure plans, and free passive crossover designs.
Need assistance? Try the search box first, but if you can’t find what you’re looking for here, don’t hesitate to contact Madisound Speaker Components. Madisound provides speaker design assistance and speaker replacement suggestions with each sale.
From the Library
18WU-8741T x2 + D3004_6640 MTM Passive Crossover Design
(2x)18WU_8741T and D3004_6640 Passive Crossover Design Crossover Design for two Scan Speak Illuminator 18WU_8741T woofers in parallel and D3004_6640 tweeter, MTM configuration No specified box alignment. Additional Notes: Low parts count but two large value hi-pass caps. Almost no padding in hi-pass circuit.
18W4531G + D3004-6620 Passive Crossover Design
Passive Crossover Design for 18W4531G + D30046620 Crossover design for Scanspeak 18W/4531G Revelator, 7″ Midwoofer and the ScanSpeak D3004-6620 1″ Tweeter No designated box alignment. Additional Notes: Crossover point about 2.7 kHz. Nominal output ~ 87-88 dB. Very clean design with low parts count and single hi-pass cap. Minimal padding in hi-pass circuit.
Seas H1571 + H1189 2-way Crossover Design
Seas H1571 + H1189 2-way Crossover Design Crossover point about 2.8 kHz. Very simple and clean design with single hi pass cap. Woofer in 0.7 cf3 with single straight port 2″ x 5″.
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